109430 has 16 divisors (see below), whose sum is σ = 203904. Its totient is φ = 42240.

The previous prime is 109423. The next prime is 109433. The reversal of 109430 is 34901.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 109399 and 109408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109433) by changing a digit.

109430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134 + ... + 486.

It is an arithmetic number, because the mean of its divisors is an integer number (12744).

2¹⁰⁹⁴³⁰ is an apocalyptic number.

109430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109430 is a deficient number, since it is larger than the sum of its proper divisors (94474).

109430 is a wasteful number, since it uses less digits than its factorization.

109430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 109430 is about 330.8020556163. The cubic root of 109430 is about 47.8312943186.

Subtracting from 109430 its reverse (34901), we obtain a square (74529 = 273²).

The spelling of 109430 in words is "one hundred nine thousand, four hundred thirty".